A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5960-00-567-2380
NSN 5998-01-327-0006
NSN 6645-00-429-0172
NSN 5975-00-288-5877
NSN 7035-00-235-3529
NSN 5935-00-287-9898
NSN 6130-00-881-2272
NSN 5990-00-129-6651
NSN 5960-01-126-6245
NSN 6110-01-415-3343
NSN 5996-00-144-8091
NSN 5915-01-521-2953